# algebra

Divide 32x^8-32x^4+20x^2

by -4x^2

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1. -4x^2 is a factor of each therm. It is, in fact the Greatest Common Factor of "GCF".

Divide each of the three terms of 32x^8-32x^4+20x^2 by -4x^2 and then add them up. The first term will be
32x^8/(-4x^2) = -8x^6

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posted by drwls
2. So, I come up with -8x^6-8x^2+-5
Would that simplify to x4+-5?

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posted by becky
3. -8x^6 + 8x^2-5 plus sign on middle term
no you may not combine x^6 term and x^2 term like that.
if you had x^2 + x you would not say that was x^3 !

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posted by Damon
4. what is the greatest common factor of48x2 and 72x3?

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